IN2014DN03266A - - Google Patents

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Publication number
IN2014DN03266A
IN2014DN03266A IN3266DEN2014A IN2014DN03266A IN 2014DN03266 A IN2014DN03266 A IN 2014DN03266A IN 3266DEN2014 A IN3266DEN2014 A IN 3266DEN2014A IN 2014DN03266 A IN2014DN03266 A IN 2014DN03266A
Authority
IN
India
Prior art keywords
inclusions
compound
per
μπɩ
tin
Prior art date
Application number
Other languages
English (en)
Inventor
Masayuki Hashimura
Masafumi Miyazaki
Hideaki Yamamura
Takahisa Suzuki
Takashi Fujita
Original Assignee
Nippon Steel & Sumitomo Metal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nippon Steel & Sumitomo Metal Corp filed Critical Nippon Steel & Sumitomo Metal Corp
Publication of IN2014DN03266A publication Critical patent/IN2014DN03266A/en

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/50—Ferrous alloys, e.g. steel alloys containing chromium with nickel with titanium or zirconium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/01—Continuous casting of metals, i.e. casting in indefinite lengths without moulds, e.g. on molten surfaces
    • B22D11/015—Continuous casting of metals, i.e. casting in indefinite lengths without moulds, e.g. on molten surfaces using magnetic field for conformation, i.e. the metal is not in contact with a mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/02—Use of electric or magnetic effects
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/06—Deoxidising, e.g. killing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
    • C21C7/00—Treating molten ferrous alloys, e.g. steel, not covered by groups C21C1/00 - C21C5/00
    • C21C7/04—Removing impurities by adding a treating agent
    • C21C7/064—Dephosphorising; Desulfurising
    • C21C7/0645—Agents used for dephosphorising or desulfurising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C21D1/32—Soft annealing, e.g. spheroidising
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/36—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for balls; for rollers
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/40—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rings; for bearing races
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/001—Ferrous alloys, e.g. steel alloys containing N
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/06—Ferrous alloys, e.g. steel alloys containing aluminium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/26—Ferrous alloys, e.g. steel alloys containing chromium with niobium or tantalum
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/32—Ferrous alloys, e.g. steel alloys containing chromium with boron
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/42—Ferrous alloys, e.g. steel alloys containing chromium with nickel with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/44—Ferrous alloys, e.g. steel alloys containing chromium with nickel with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/46—Ferrous alloys, e.g. steel alloys containing chromium with nickel with vanadium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/40—Ferrous alloys, e.g. steel alloys containing chromium with nickel
    • C22C38/54—Ferrous alloys, e.g. steel alloys containing chromium with nickel with boron
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/60—Ferrous alloys, e.g. steel alloys
    • F16C2204/66—High carbon steel, i.e. carbon content above 0.8 wt%, e.g. through-hardenable steel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/02—General use or purpose, i.e. no use, purpose, special adaptation or modification indicated or a wide variety of uses mentioned
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/62—Selection of substances
IN3266DEN2014 2011-10-20 2012-10-05 IN2014DN03266A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011230832 2011-10-20
PCT/JP2012/076042 WO2013058131A1 (fr) 2011-10-20 2012-10-05 Acier à coussinets et son procédé de fabrication

Publications (1)

Publication Number Publication Date
IN2014DN03266A true IN2014DN03266A (fr) 2015-07-10

Family

ID=48140782

Family Applications (1)

Application Number Title Priority Date Filing Date
IN3266DEN2014 IN2014DN03266A (fr) 2011-10-20 2012-10-05

Country Status (7)

Country Link
US (1) US9732407B2 (fr)
EP (1) EP2770077B1 (fr)
JP (1) JP5652555B2 (fr)
KR (1) KR101616656B1 (fr)
CN (1) CN103890209B (fr)
IN (1) IN2014DN03266A (fr)
WO (1) WO2013058131A1 (fr)

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US9695875B2 (en) 2013-07-17 2017-07-04 Roller Bearing Company Of America, Inc. Top drive bearing for use in a top drive system, and made of non-vacuum arc remelted steel configured to achieve an extended life cycle at least equivalent to a life factor of three for a vacuum arc remelted steel
KR101830023B1 (ko) * 2014-04-23 2018-02-19 신닛테츠스미킨 카부시키카이샤 스프링강 및 그 제조 방법
CN104237280B (zh) * 2014-09-05 2017-09-26 北京科技大学 检测热处理过程中夹杂物与合金基体之间固相反应的方法
US20160145702A1 (en) * 2014-11-24 2016-05-26 Hyundai Motor Company Bearing steel having improved fatigue durability and method of manufacturing the same
JP6462376B2 (ja) * 2015-01-23 2019-01-30 株式会社神戸製鋼所 転動疲労特性に優れた軸受用鋼材および軸受部品
CN106756629A (zh) * 2015-11-24 2017-05-31 徐文萍 一种布氏硬度增强的轴承的制造方法
CN106756630A (zh) * 2015-11-24 2017-05-31 徐文萍 一种布氏硬度增强的轴承
CN106756632A (zh) * 2015-11-25 2017-05-31 徐文萍 一种洛氏硬度增强的轴承钢
CN106756631A (zh) * 2015-11-25 2017-05-31 徐文萍 一种洛氏硬度增强的轴承的制造方法
CN106801191A (zh) * 2015-11-25 2017-06-06 徐文萍 一种洛氏硬度增强的轴承钢的制备方法
CN106756633A (zh) * 2015-11-25 2017-05-31 徐文萍 一种洛氏硬度增强的轴承
CN106801205A (zh) * 2015-11-26 2017-06-06 徐文萍 一种抗拉强度增强的轴承钢
CN106801204A (zh) * 2015-11-26 2017-06-06 徐文萍 一种抗拉强度增强的轴承
CN106801192A (zh) * 2015-11-26 2017-06-06 徐文萍 一种布氏硬度增强的轴承钢
CN106801203A (zh) * 2015-11-26 2017-06-06 徐文萍 一种布氏硬度增强的轴承钢的制备方法
CN106567006A (zh) * 2016-11-09 2017-04-19 安徽千禧精密轴承制造有限公司 一种轴承用高强度耐腐蚀性合金钢
KR101899691B1 (ko) * 2016-12-23 2018-10-31 주식회사 포스코 수소유기균열 저항성이 우수한 압력용기용 강재 및 그 제조방법
EP3647451A4 (fr) * 2017-09-13 2020-11-04 Nippon Steel Corporation Matériau en acier doté d'excellentes caractéristiques de fatigue de roulement
CN108048766A (zh) * 2017-12-16 2018-05-18 苏州赛斯德工程设备有限公司 一种高强度耐磨轴承
KR102419450B1 (ko) * 2018-01-22 2022-07-12 닛폰세이테츠 가부시키가이샤 베어링강 부품 및 베어링강 부품용 봉강
CN109252087A (zh) * 2018-11-07 2019-01-22 北京科技大学 轴承钢中添加Ce抑制TiN复合夹杂物形成的合金工艺
CN110484811B (zh) * 2019-09-10 2020-07-28 中国科学院金属研究所 一种超净稀土钢及夹杂物改性控制方法
JP7311785B2 (ja) 2019-12-24 2023-07-20 日本製鉄株式会社 Ａｌ脱酸鋼の溶製方法
CN112159928B (zh) * 2020-09-28 2021-11-12 广东韶钢松山股份有限公司 一种含Zr轴承钢及其制备方法
CN112176258B (zh) * 2020-09-30 2022-06-21 江苏省沙钢钢铁研究院有限公司 2500MPa级钢绞线用盘条及其制造方法
CN112680674B (zh) * 2020-12-08 2022-07-26 东北大学 一种含稀土元素的高碳铬轴承钢及制备方法
CN113145807B (zh) * 2021-04-27 2023-02-28 建龙北满特殊钢有限责任公司 一种盾构机用稀土轴承钢钢锭及其生产方法
CN113549735B (zh) * 2021-07-21 2022-09-20 东北大学 一种真空感应冶炼制备超低氧轴承钢铸锭的方法
CN114015927B (zh) * 2022-01-07 2022-04-22 北京科技大学 一种含稀土高碳铬轴承钢及其制备方法
CN115011871A (zh) * 2022-05-06 2022-09-06 本钢板材股份有限公司 一种含Cu超低钛轴承钢的制备方法
CN115216587B (zh) * 2022-06-02 2023-11-24 大冶特殊钢有限公司 一种改善高碳铬轴承钢大型模铸钢锭锻材成分与组织均匀性的方法及高碳铬轴承钢
CN115976422A (zh) * 2023-03-21 2023-04-18 江苏永钢集团有限公司 一种适用于轴承钢的柔性第二相生产控制方法及其应用

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JP4430284B2 (ja) * 2002-07-23 2010-03-10 新日本製鐵株式会社 アルミナクラスターの少ない鋼材
JP4256701B2 (ja) 2003-03-13 2009-04-22 新日本製鐵株式会社 疲労寿命に優れた介在物微細分散鋼
JP4516923B2 (ja) * 2006-03-23 2010-08-04 新日本製鐵株式会社 アルミキルド鋼の連続鋳造鋼片及びその製造方法
JP5432539B2 (ja) * 2009-01-28 2014-03-05 株式会社神戸製鋼所 溶接熱影響部の靭性に優れた鋼材
JP5400591B2 (ja) * 2009-11-30 2014-01-29 株式会社神戸製鋼所 冷間加工性に優れた軸受用鋼
CA2788713C (fr) * 2010-02-04 2014-12-09 Nippon Steel Corporation Tuyau en acier soude a haute resistance et procede pour sa production

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JPWO2013058131A1 (ja) 2015-04-02
US9732407B2 (en) 2017-08-15
KR20140069169A (ko) 2014-06-09
EP2770077A1 (fr) 2014-08-27
CN103890209B (zh) 2015-11-25
KR101616656B1 (ko) 2016-04-28
CN103890209A (zh) 2014-06-25
US20140261906A1 (en) 2014-09-18
WO2013058131A1 (fr) 2013-04-25
EP2770077A4 (fr) 2015-11-04
JP5652555B2 (ja) 2015-01-14

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